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LCH to USM: distance & flight time
Lake Charles (Lake Charles Regional Airport) → Ko Samui (Samui Airport)
9,557 mi
15,380 km · 8,305 nm
19h 12m
estimated nonstop flight time
+12h
time difference · heading north
See live LCH→USM fares Phone-only fares on this route — call free
Flight time details
9,557 miles nonstop takes roughly 19h 12m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- LCH — Lake Charles Regional Airport · Lake Charles, United States
- USM — Samui Airport · Ko Samui, Thailand
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near LCH
- BPT · Southeast Texas Regional Airport49 mi away
- DRI · Beauregard Regional Airport49 mi away
- BMT · Beaumont Municipal Airport59 mi away
- POE · Polk Army Air Field64 mi away
Near USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Frequently asked questions
How far is LCH from USM?
The flight distance from Lake Charles (LCH) to Ko Samui (USM) is 9,557 miles (15,380 km, 8,305 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LCH to USM?
A nonstop flight takes about 19h 12m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Lake Charles and Ko Samui?
Ko Samui is 12 hours ahead of Lake Charles.
What is the cheapest way to fly from LCH to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LCH–USM that never appear on search engines, with no booking fees.